Question

A study of car accidents and drivers who use cell phones collects the following sample data....

A study of car accidents and drivers who use cell phones collects the following sample data.

Had accident in last year Had no accident in last year
Cellular phone user 23 282
Not cellular phone user 46 407

Use a significance level of .05 and determine if cell phone use and accidents are independent. Null hypothesis is that accidents are independent of cell phone use.

Math   Statistics-And-Probability   
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